Ser#A197125 ,thanks for any help.

Sometime 1973...

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Tom
SWCA 1856, SWHF 780

That was fast,thank you very much!

1972, 1973 started A225xxx

Most likely late 73 or first half of 74.

A quote from Roy G. Jinks, Historian, Smith & Wesson:

“Smith and Wesson handguns are produced in a random order. The only time that serial numbers are in order is right after they are serial numbered. Beyond that the guns are processed randomly.”

For example, A196403 was shipped in May 1974 but A218139 was shipped earlier in December 1973.

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SWCA #3526